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annotate contrib/perf.py @ 8656:284fda4cd093

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removed unused imports
author Martin Geisler <mg@lazybytes.net>
date Sat, 30 May 2009 23:20:30 +0200
parents f680a1bd679b
children e872ef2e6758
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1 # perf.py - performance test routines
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2
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3 from mercurial import cmdutil, match, commands
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4 import time, os, sys
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5
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6 def timer(func):
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7 results = []
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8 begin = time.time()
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9 count = 0
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10 while 1:
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11 ostart = os.times()
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12 cstart = time.time()
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13 r = func()
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14 cstop = time.time()
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15 ostop = os.times()
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16 count += 1
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17 a, b = ostart, ostop
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18 results.append((cstop - cstart, b[0] - a[0], b[1]-a[1]))
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19 if cstop - begin > 3 and count >= 100:
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20 break
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21 if cstop - begin > 10 and count >= 3:
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22 break
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23 if r:
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24 sys.stderr.write("! result: %s\n" % r)
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25 m = min(results)
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26 sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n"
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27 % (m[0], m[1] + m[2], m[1], m[2], count))
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28
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29 def perfwalk(ui, repo, *pats):
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30 try:
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31 m = cmdutil.match(repo, pats, {})
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32 timer(lambda: len(list(repo.dirstate.walk(m, True, False))))
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33 except:
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34 try:
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35 m = cmdutil.match(repo, pats, {})
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36 timer(lambda: len([b for a,b,c in repo.dirstate.statwalk([], m)]))
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37 except:
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38 timer(lambda: len(list(cmdutil.walk(repo, pats, {}))))
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39
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40 def perfstatus(ui, repo, *pats):
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41 #m = match.always(repo.root, repo.getcwd())
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42 #timer(lambda: sum(map(len, repo.dirstate.status(m, False, False, False))))
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43 timer(lambda: sum(map(len, repo.status())))
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44
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45 def perfheads(ui, repo):
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46 timer(lambda: len(repo.changelog.heads()))
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47
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48 def perftags(ui, repo):
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49 import mercurial.changelog, mercurial.manifest
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50 def t():
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51 repo.changelog = mercurial.changelog.changelog(repo.sopener)
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52 repo.manifest = mercurial.manifest.manifest(repo.sopener)
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53 repo.tagscache = None
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54 return len(repo.tags())
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55 timer(t)
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56
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57 def perfdirstate(ui, repo):
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58 "a" in repo.dirstate
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59 def d():
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60 repo.dirstate.invalidate()
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61 "a" in repo.dirstate
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62 timer(d)
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63
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64 def perfdirstatedirs(ui, repo):
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65 "a" in repo.dirstate
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66 def d():
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67 "a" in repo.dirstate._dirs
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68 del repo.dirstate._dirs
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69 timer(d)
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70
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71 def perfmanifest(ui, repo):
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72 def d():
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73 t = repo.manifest.tip()
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74 m = repo.manifest.read(t)
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75 repo.manifest.mapcache = None
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76 repo.manifest._cache = None
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77 timer(d)
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78
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79 def perfindex(ui, repo):
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80 import mercurial.changelog
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81 def d():
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82 t = repo.changelog.tip()
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83 repo.changelog = mercurial.changelog.changelog(repo.sopener)
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84 repo.changelog._loadindexmap()
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85 timer(d)
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86
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87 def perfstartup(ui, repo):
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88 cmd = sys.argv[0]
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89 def d():
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90 os.system("HGRCPATH= %s version -q > /dev/null" % cmd)
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91 timer(d)
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92
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93 def perfparents(ui, repo):
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94 nl = [repo.changelog.node(i) for i in xrange(1000)]
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95 def d():
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96 for n in nl:
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97 repo.changelog.parents(n)
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98 timer(d)
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99
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100 def perflookup(ui, repo, rev):
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101 timer(lambda: len(repo.lookup(rev)))
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102
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103 def perflog(ui, repo):
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104 ui.pushbuffer()
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105 timer(lambda: commands.log(ui, repo, rev=[], date='', user=''))
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106 ui.popbuffer()
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107
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108 def perftemplating(ui, repo):
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109 ui.pushbuffer()
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110 timer(lambda: commands.log(ui, repo, rev=[], date='', user='',
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111 template='{date|shortdate} [{rev}:{node|short}]'
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112 ' {author|person}: {desc|firstline}\n'))
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113 ui.popbuffer()
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114
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115 cmdtable = {
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116 'perflookup': (perflookup, []),
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117 'perfparents': (perfparents, []),
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118 'perfstartup': (perfstartup, []),
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119 'perfstatus': (perfstatus, []),
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120 'perfwalk': (perfwalk, []),
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121 'perfmanifest': (perfmanifest, []),
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122 'perfindex': (perfindex, []),
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123 'perfheads': (perfheads, []),
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124 'perftags': (perftags, []),
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125 'perfdirstate': (perfdirstate, []),
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126 'perfdirstatedirs': (perfdirstate, []),
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127 'perflog': (perflog, []),
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128 'perftemplating': (perftemplating, []),
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129 }
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130